38471388 has 12 divisors (see below), whose sum is σ = 89766600. Its totient is φ = 12823792.

The previous prime is 38471383. The next prime is 38471399. The reversal of 38471388 is 88317483.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38471383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602963 + ... + 1602986.

It is an arithmetic number, because the mean of its divisors is an integer number (7480550).

Almost surely, 2^38471388 is an apocalyptic number.

It is an amenable number.

38471388 is an abundant number, since it is smaller than the sum of its proper divisors (51295212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38471388 is a wasteful number, since it uses less digits than its factorization.

38471388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205956 (or 3205954 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 38471388 is about 6202.5307738052. The cubic root of 38471388 is about 337.5820025707.

The spelling of 38471388 in words is "thirty-eight million, four hundred seventy-one thousand, three hundred eighty-eight".